Bullet trains come in two types, and it's probably not likely Texas would get the more expensive maglev trains that go 330 miles per hour or so. But who knows?

The idea has been kicked around, it seems, ever since there have been bullet trains. Estimates of how much the route might cost range from $20 billion to $40 billion, and we're sure there would never, ever be any cost overruns on the thing.

Most experts seem to think Florida would be the first place a Japanese company would put a bullet train, but Texas is apparently in the mix.